Monayz hoods with down peak

Hedders Monays with Downpipe size: 3 inch Land Cruiser: 1998 - 2007 6 in 1 What is the Hedder? The Hedder is an exhaust system modification, replacing the original exhaust pipe (muffler). It features a larger diameter and an engineering design aimed at improving the flow of gases exiting the engine. How does it work? The Hedder works by reducing exhaust flow resistance, allowing the engine to breathe better. This leads to improved combustion efficiency and increased power and torque.